package binaryTreeNode;

  public class TreeNode {
      int val;
      TreeNode left;
      TreeNode right;

      TreeNode() {
      }

      TreeNode(int val) {
          this.val = val;
      }

      TreeNode(int val, TreeNode left, TreeNode right) {
          this.val = val;
          this.left = left;
          this.right = right;

      }
  }